Home / 1,260,449.61-1,739,567.52-716,666.88

Finding the Fourth Proportional to 1,260,449.61, 1,739,567.52 and 716,666.88

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Solution

The fourth proportional to 1,260,449.61, 1,739,567.52 and 716,666.88 is: 989,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,449.61 : 1,739,567.52 = 716,666.88 : x
  2. Step 2: Convert to fraction form
    1,260,449.61/1,739,567.52 = 716,666.88/x
  3. Step 3: Cross multiply
    1,260,449.61x = 1,739,567.52 × 716,666.88
  4. Step 4: Simplify right side
    1,260,449.61x = 1,246,690,427,107.74
  5. Step 5: Solve for x
    x = 1,246,690,427,107.74/1,260,449.61
  6. Step 6: Final answer
    x = 989,083.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.